Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 6.61
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -7.68 -0.375 2.88
Prot (kg) -5.16 -0.441 2.28
Fertility Sub Index 9.88
Calving Interval (days) -6.08 -1.459 8.87
Survival (%) 0.90 1.117 1.01
Calving Sub Index 0.80
Gestation Length (days) -0.87 -0.919 0.80
Beef Sub Index 0.37
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.36 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 20.36

* Based on an €80/tonne carbon price